<template>
  <div>
    <!-- 年月选择 -->
    <el-row type="flex" justify="end">

      <el-select v-model="currentYear" size="small" @change="dateChange">
        <el-option
          v-for="year in yearList"
          :key="year"
          :label="year+'年'"
          :value="year"
        />
      </el-select>
      <el-select v-model="currentMonth" size="small" @change="dateChange">
        <el-option
          v-for="mouth in 12"
          :key="mouth"
          :label="mouth+'月'"
          :value="mouth"
        />
      </el-select>

    </el-row>
    <!-- 日历组件 -->
    <el-calendar :value="currentDate">
      <template #dateCell="{date,data}" class="content">
        <div class="date-content">
          <span class="text">{{ data.day | getDay }}</span>
          <span v-if="isWeek(date)" class="rest">休</span>
        </div>
      </template>
    </el-calendar>
  </div>
</template>

<script>
export default {
  filters: {
    getDay(oldVal) {
      return oldVal.split('-')[2]
    }
  },
  data() {
    const currentDate = new Date()
    const currentMonth = currentDate.getMonth() + 1
    const currentYear = currentDate.getFullYear()
    const yearList = []
    // 获取当前年份的前五年和后五年
    for (let i = 0; i < 11; i++) {
      yearList.push(currentYear + i - 5)
    }
    return {
      currentDate,
      currentYear,
      currentMonth,
      yearList
    }
  },
  methods: {
    //   选择年月触发的函数
    dateChange() {
      // 切换年月, 下方的日历控件会变化
      console.log(`${this.currentYear}-${this.currentMonth}`)
      this.currentDate = new Date(`${this.currentYear}-${this.currentMonth}`)
    },
    isWeek(date) {
      // 日期对象 getDay(): 获得日期的星期几数据, 星期天是0, 星期六是6   0-6
      return date.getDay() === 0 || date.getDay() === 6
    }
  }
}
</script>

<style  scoped>
::v-deep .el-calendar-day {
  height:  auto;
 }
::v-deep .el-calendar-table__row td,/deep/ .el-calendar-table tr td:first-child, ::v-deep .el-calendar-table__row td.prev{
  border:none;
 }
.date-content {
  height: 40px;
  text-align: center;
  line-height: 40px;
  font-size: 14px;
}
.date-content .rest {
  color: #fff;
  border-radius: 50%;
  background: rgb(250, 124, 77);
  width: 20px;
  height: 20px;
  line-height: 20px;
  display: inline-block;
  font-size: 12px;
  margin-left: 10px;
}
.date-content .text{
  width: 20px;
  height: 20px;
  line-height: 20px;
 display: inline-block;

}
::v-deep .el-calendar-table td.is-selected .text{
   background: #409eff;
   color: #fff;
   border-radius: 50%;
 }
::v-deep .el-calendar__header {
   display: none
 }
</style>
